Re: [gentoo-dev] question on writing ebuilds with exclusive dependencies.

[Spider]

begin  quote
On Wed, 7 Apr 2004 21:18:08 +0000
Sami Näätänen <sn.ml@××××××××.com> wrote:

> On Wednesday 07 April 2004 20:26, Paul de Vrieze wrote:
> > On Wednesday 07 April 2004 22:23, Marius Mauch wrote:
> > > On 04/07/04  Paul de Vrieze wrote:
> > > > Unfortunately it is not. It will depend on both libraries if
> > > > both
> > > > useflags are present. The best approach probably is:
> > > > DEPEND="imagemagick? ( libgd? ( media-libs/libgd ) :
> > > > media-gfx/imagemagick ) :
> > > >         ( media-libgs/libgd? )"
> > >
> > > Except that Nick doesn't like the "foo? ( bar : bla )" syntax and
> > > therefore it's likely to get deprecated/dropped soon. Instead
> > > better use "foo? ( bar ) !foo? ( bla )"
> >
> > You're right. This should be straightforward. I leave it up to the
> > reader to rewrite it.
>
> Also the debug use flag should be used to select between the two
> packages as the ebuild itself uses the imageMagick when making debug
> version
>
> So this should be used if the debug use flag is stronger dependecy
> controller than libgd use flag:

Wouldn't something like this do it?
DEPEND="debug? ( media-gfx/imagemagick )
	!debug? (
		libgd? ( media-libs/libgd )
		!libgd? (  media-gfx/imagemagick )
	)"


Though you could  do a switch to :
DEPEND="debug? ( media-gfx/imagemagick )
	!debug? (
		imagemagick? ( media-libs/imagemagick )
		!imagemagick? (  media-gfx/libgd )
	)"


if you wnat libgd to be the "default"


.. btw.. Corvux Coax.. The coaxial krow? ;) 

//Spider

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